One Step Equation Review

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

How do you represent '5 less than a number' mathematically?

Back

x - 5

Front

What is the first step to solve the equation x - 5 = 15?

Back

Add 5 to both sides of the equation.

Front

What does the term 'reciprocal' mean in mathematics?

Back

The reciprocal of a number is 1 divided by that number, or the number with its numerator and denominator flipped.

Front

How can you express the problem: 'Nora has $27.10 after spending $5.12 on a salad'?

Back

n - 5.12 = 27.10

Front

What is the solution to the equation x + 12 = 20?

Back

x = 8

Front

What is the purpose of solving one-step equations?

Back

To find the value of the variable that makes the equation true.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

If 8z = 2, what is the value of z?

Back

z = 0.25.

Front

What is the relationship between an equation and a variable?

Back

A variable is a symbol used to represent an unknown value in an equation.